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MTV's notorious stunt-and-prank show, in which a crew of grown men hurt themselves for your entertainment. Premiering on October 1, 2000, it strung together shopping-cart crashes, ill-advised dares, and gross-out gags performed by Johnny Knoxville, Bam Margera, Steve-O, and the rest of the gang. Wrapped in stern on-screen warnings not to try any of it at home, it was appointment viewing for a generation of teenagers — and the launchpad for a movie franchise that's still going.
Ashton Kutcher's hidden-camera prank show, and one of MTV's signature 2000s hits. Premiering on March 17, 2003, it ambushed celebrities with elaborate staged disasters — fake arrests, fake tax seizures, fake catastrophes — and filmed them melting down before the big reveal. The Justin Timberlake episode, in which he was led to believe the government was seizing his home over unpaid taxes, became one of the most famous pranks in reality-TV history.
The prog that turned a friend's computer into a puppet: they ran the file, and suddenly their CD tray wouldn't stay shut. NetBus arrived in March 1998 and became one of the two names everybody in the AOL-era prog scene knew. Its author insisted it was a prank tool — and its Swedish name says exactly that.
The other name every prog kid knew, and the one that got the reputation. SubSeven arrived in February 1999 doing what NetBus did but with more of everything, and it became the era's definitive "double-click this" mayhem. Its author has never been convincingly identified — and that fight is still going.